एपि. 2: काओरू एक अचानक बनी जैज क्वार्टेट में शामिल होती है और रिट्सुको के साथ पढ़ाई की डेट स्वीकार करती है।

2

Kaoru seems equally mesmerized by jazz and Ritsuko. Regarding the former, he meets 'Brother Jun', a college student and jazz trumpeter whom Sentarou idolizes. When Jun, Sen, and Ritsuko's dad start up an impromptu jazz session, Kaoru finally joins in on piano to make it a quartet. Later, Kaoru is thrilled when Ritsuko accepts his invitation for a 'study date', little knowing that Sentarou is going to make this a 'combo', too... (Source: Crunchyroll)